318is turbocharging M42

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  1. 318is turbocharging M42 
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    there are many posts starting of right but none of them goes to the end .
    was wondering how many 318is are there turbo'd and could someone share some info ? Curently I have 316i but swaping engine out of 318is 1995 whitch would be M42 1.8 l one . and as far as I know crank is one of the best and needs not changing for turbo , gasket might do also , geting new injectors is quite easy and the 440 ones would be the best . also read thread of ebay kits being Sh*t. but at 1400 EUR u get everything and after turbo fail or so u can just throw another turbo in and u still got all the piping sorted. any sugestions/info would be a lot of help. don't want biger engine, want to stay light but still run around 230HP ?
    Thanks in advance
    When u do it U'r self It is much more satisfying when it all adds up and works


    Taking u'r car 2 garage for mod's is like sending u'r kid 2 boarding school
    Doing mod's u'rself is like homeschooling + u get 2 c u'r kid growing nd growing
     
     

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    OK , nobody got any ideas .... so thus far I foud out that changing rods and pistos is a good idea but unnessesary for small boost , also for some medium to big boost a biger gasket and a new clutch is a MUST (stronger one, probably 6 or 4 puck ) and be sure when buying a turbo KIT that manifold ir corect for your car . (if it is for LHD or RHD car, couse they are diferent and woun't fit ) intake manifold should be ok stock for M42 engine as it is metal or aluminium, probably will need some slight modifications , most likely intake manifold gaskets will need changing/replacing or just making new ones (with gasket paste or so ) so it could handle boost and not leak (as those engines are quite old gaskets could be damaged ) then oil feed and return lines . as far as I know , oil feed line should be taken from oil pressure sensor location , but heard that u can take that from somewhere around oil filter location but some sort of adapter will be needed.the ones u use for gauges (oil press. and temp.)and return line goes tooil pan. and then sorting out intercooling piping. also a good idea is puting a heat blanket on turbo and haet shield around your air filter. and after that taking your car to a garage and remaping it and that is the basics covered. I THINK anyting missing please add or if I made a mistake please corect me couse I'll be doing this project in the future , but want to get everything spot on so woun't be standing with my car half taken apart thinking what else is there
    Thank you's
    When u do it U'r self It is much more satisfying when it all adds up and works


    Taking u'r car 2 garage for mod's is like sending u'r kid 2 boarding school
    Doing mod's u'rself is like homeschooling + u get 2 c u'r kid growing nd growing
     
     

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    no one has comented as there are over 10 billion threads on turbo charging 318's


    Jack of all trades, master of them all

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    yea I know that there are many , but I was going through them for a month now an the best advise people give is to put a bigger engine and so on . and just a couple of useful advices through them all. I started this thread hoping to go from basic engine preparation to running maximum boost for daily driving , parts modifications and anything else that is needed. I bet I'm not the only one who wants to turbo his 4 cylinder BMW and having all the info in one thread would be a HUGE help for many .
    When u do it U'r self It is much more satisfying when it all adds up and works


    Taking u'r car 2 garage for mod's is like sending u'r kid 2 boarding school
    Doing mod's u'rself is like homeschooling + u get 2 c u'r kid growing nd growing
     
     

  7. The Following User Says Thank You to mim2end For This Useful Post:

    MONSTER (15-06-2011)

  8. 318is turbocharging M42 
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    Totally agree with you! I'd love to turbocharge my 4 cylinder N42
     
     

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    ok, not really got much background on BMW but

    after turbo charging my 1.6 Mk1 MX5 the following must be observed starting from the bottom of the engine up and managements

    new shells (not required at first but good for piece of mind)
    Rods should be fine
    Pistons, the M42 will by high comp pistons so you may require a lower comp set of pistons
    Headgasket a MLS gasket will be required
    Spark plugs a colder grade plug will be required
    injector larger injectors will be required
    Fuelling, you will have to sort out the fueling too, a larger pump will be required
    management, something along the lines of a Greddy Emanage Blue will be required to adjust timing and fuelling
    Exhaust, a free flowing exhaust not required but advisable
    Intercooler, running a turbo with out some form of cooling is not the best idea so a wing or front mounted intercooler will be required

    its not advisable to go bolting turbos onto N/A cars without thinking the whole process through

    you will also need a boost gauge, Air Fuel gauge and oil pressure gauge

    Cheers

    Mark
     
     

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    Thanks for posting
    pistons might do fine as long as you drop the comp. by throwing in a biger gasket . and A datsun piggyback chip for sorting out fuel management

    http://www.m42club.com/forums/showthread.php?p=98367
    and here is an AMAZING post what was done to BMW 4banger engine
    http://forums.bimmerforums.com/forum...d.php?t=433471

    Plus a RHD bmw is a real ******* to turbo tight space and compicated piping involved and it HAS to be CUSTOM !

    few pic.

    http://www.666fab.com/e36m42/1.jpg
    http://www.666fab.com/e36m42/4.jpg
    When u do it U'r self It is much more satisfying when it all adds up and works


    Taking u'r car 2 garage for mod's is like sending u'r kid 2 boarding school
    Doing mod's u'rself is like homeschooling + u get 2 c u'r kid growing nd growing
     
     

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    I went through exactly the same process as you are going through now with my Z3, I wanted the same car but with more power. There was a lot more room in the engine bay of the Z3 compared to yours. I tried Nitrous for a while but got sick of filling the bottle for £60 a pop for not alot in return. I thought about turboing but decided the best way to do it would be supercharger, There are bolt on kits but I didn't want to pay £7k out for an Eaton supercharger kit so I looked into using a Mini cooper charger, after totalling everything up it was more or less the price of the Eaton kit anyway, So I gave up and bought something with a bigger engine instead. It just makes sense and less stress on the car you all ready have.
     
     

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    if you are going to turbo charge, why not fit the head from an M44 and have a twin cam turbo charged engine rather than just single cam?
     
     

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    The M42 is twin cam
    With great challenges comes great engineering.
    Gunnar Reynisson @ Cosworth
     
     

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